74HC163DB NXP Semiconductors, 74HC163DB Datasheet - Page 4
74HC163DB
Manufacturer Part Number
74HC163DB
Description
Counter ICs SYNC 4-BIT BINARY COUNTER
Manufacturer
NXP Semiconductors
Datasheet
1.74HCT163PW118.pdf
(11 pages)
Specifications of 74HC163DB
Counter Type
Binary Counters
Mounting Style
SMD/SMT
Package / Case
SOT-338
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
74HC163DB,112
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
74HC163DB
Manufacturer:
NXP Semiconductors
Quantity:
1 807
Philips Semiconductors
FUNCTION TABLE
Notes
1. The TC output is HIGH when CET is HIGH and the counter is at terminal count (HHHH).
December 1990
reset (clear)
parallel load
count
hold
(do nothing)
Presettable synchronous 4-bit binary
counter; synchronous reset
H = HIGH voltage level
h = HIGH voltage level one set-up time prior to the LOW-to-HIGH CP transition
L = LOW voltage level
I = LOW voltage level one set-up time prior to the LOW-to-HIGH CP transition
q = lower case letters indicate the state of the referenced output one set-up time prior to the
X = don’t care
= LOW-to-HIGH CP transition
LOW-to-HIGH CP transition
OPERATING MODE
I
h
h
h
h
h
MR
Fig.4 Functional diagram.
X
X
CP
X
X
X
h
I
X
4
CEP
INPUTS
X
X
X
h
X
I
CET
X
I
I
h
h
h
PE
X
I
h
X
X
X
D
n
74HC/HCT163
L
L
H
count
q
q
n
n
Product specification
Q
OUTPUTS
n
L
L
(1)
(1)
(1)
L
TC